.about{
    width: 1200px;
    height: 430px;
    margin: 40px auto 90px;
    overflow: hidden;
    position: relative;
}

.aboutl{
    display: block;
    float: left;
    width: 429px;
    height: 430px;
}
.about .content{
    width: 642px;
    height: 430px;
    overflow: hidden;
}
.about .content .list li{
    float: left;
}
.about .content .list .text{
    width: 80px;
}
.about .content .list .text1{
    font-size: 18px;
    line-height: 18px;
    margin-bottom: 8px;
    color: #373737;
    font-weight: bold;
}
.about .content .list .text2{
    font-size: 12px;
    line-height: 12px;
    color: #494949;
}
.about .content .list .text3{
    font-size: 14px;
    line-height: 14px;
    color: #494949;
}
.about .content .list .text4{
    margin-bottom: 10px;
}
.about .content .list .line{
    display: block;
    width: 1px;
    height: 38px;
    background-color: #a5a5a9;
    margin-right: 20px;
}
.about .content .pos3 .line{
    display: block;
    width: 1px;
    height: 59px;
    background-color: #a5a5a9;
    margin-right: 20px;
}
.about .content .pos1{
    position: absolute;
    top: 0;
    left: 550px;
}
.about .content .pos2{
    position: absolute;
    top: 180px;
    left: 550px
}
.about .content .pos3{
    position: absolute;
    bottom: 0;
    left: 550px
}